<?php

class Application_Model_DbTable_Useful  extends Zend_Db_Table_Abstract implements Application_Model_DbTable_Interface
{
    const FIELD_ID     = 'useful_id';
    const FIELD_TITLE  = 'useful_title';
    const FIELD_DESC   = 'useful_desc';
    const FIELD_DATE   = 'useful_date';
    const FIELD_IS_ACTIVE = 'useful_is_active';

    protected $_name = 'useful';

    public function getPrimaryKey()
    {
        return self::FIELD_ID;
    }
}